| 发明名称 |
CATALYST AND METHOD FOR PURIFYING CRUDE TEREPHTHALIC ACID, ISOPHTHALIC ACID OR NAPHTHALENE DICARBOXYLIC ACID |
| 摘要 |
A method is disclosed for the purification of crude terephthalic acid, crude isophthalic acid or a crude naphthalene dicarboxylic acid that employs a titanium dioxide-supported purification catalyst. |
| 申请公布号 |
WO9420447(A1) |
申请公布日期 |
1994.09.15 |
| 申请号 |
WO1993US11508 |
申请日期 |
1993.11.29 |
| 申请人 |
AMOCO CORPORATION |
发明人 |
SCHROEDER, HOBE;WITTMAN, RICKY, L. |
| 分类号 |
B01J21/06;C07C51/487;C07C63/24;C07C63/26;C07C63/38;(IPC1-7):C07C51/487 |
主分类号 |
B01J21/06 |
| 代理机构 |
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